CA2673226A1 - Procede de preparation et d'isolement de diacetate de betuline a partir d'ecorce de bouleau provenant de fabriques de papier et son traitement facultatif en betuline - Google Patents

Procede de preparation et d'isolement de diacetate de betuline a partir d'ecorce de bouleau provenant de fabriques de papier et son traitement facultatif en betuline Download PDF

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Publication number
CA2673226A1
CA2673226A1 CA002673226A CA2673226A CA2673226A1 CA 2673226 A1 CA2673226 A1 CA 2673226A1 CA 002673226 A CA002673226 A CA 002673226A CA 2673226 A CA2673226 A CA 2673226A CA 2673226 A1 CA2673226 A1 CA 2673226A1
Authority
CA
Canada
Prior art keywords
birch bark
betulin
ground
dried
diacetate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002673226A
Other languages
English (en)
Other versions
CA2673226C (fr
Inventor
Jan Sarek
Michal Svoboda
Marian Hajduch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Karlova Univerzita v Praze
I Q A AS
Univerzita Palackeho V Olomouci
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2673226A1 publication Critical patent/CA2673226A1/fr
Application granted granted Critical
Publication of CA2673226C publication Critical patent/CA2673226C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J63/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
    • C07J63/008—Expansion of ring D by one atom, e.g. D homo steroids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
CA2673226A 2007-01-15 2008-01-09 Procede de preparation et d'isolement de diacetate de betuline a partir d'ecorce de bouleau provenant de fabriques de papier et son traitement facultatif en betuline Expired - Fee Related CA2673226C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CZPV2007-36 2007-01-15
CZ20070036A CZ301038B6 (cs) 2007-01-15 2007-01-15 Zpusob prípravy betulin-diacetátu z brezové kury z papíren
PCT/CZ2008/000004 WO2008086759A2 (fr) 2007-01-15 2008-01-09 Procédé de préparation et d'isolement de diacétate de bétuline à partir d'écorce de bouleau provenant de fabriques de papier et son traitement facultatif en bétuline

Publications (2)

Publication Number Publication Date
CA2673226A1 true CA2673226A1 (fr) 2008-07-24
CA2673226C CA2673226C (fr) 2013-01-08

Family

ID=39512720

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2673226A Expired - Fee Related CA2673226C (fr) 2007-01-15 2008-01-09 Procede de preparation et d'isolement de diacetate de betuline a partir d'ecorce de bouleau provenant de fabriques de papier et son traitement facultatif en betuline

Country Status (5)

Country Link
US (1) US8093413B2 (fr)
EP (1) EP2125860B1 (fr)
CA (1) CA2673226C (fr)
CZ (1) CZ301038B6 (fr)
WO (1) WO2008086759A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20096137A0 (fi) * 2009-11-04 2009-11-04 Upm Kymmene Corp Menetelmä eläimen ruoansulatuskanavan mikrobistoon vaikuttamiseksi, mikrobista modulaattoria sisältävä rehukoostumus ja mikrobisen modulaattorin käyttö
CN102321143A (zh) * 2011-07-08 2012-01-18 浙江天草生物制品有限公司 一种制取高纯度白桦脂醇的方法
CZ306293B6 (cs) * 2015-09-30 2016-11-16 Univerzita Karlova V Praze Způsob purifikace betulinu a lupeolu, betulin a lupeol připravitelné tímto způsobem
RU2678819C1 (ru) * 2018-10-04 2019-02-04 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский государственный университет" (ТГУ, НИ ТГУ) Способ получения бисформиата бетулина

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7813598A (en) * 1997-06-04 1998-12-21 Cornell Research Foundation Inc. Betulinol derivatives
RU2150473C1 (ru) * 1999-08-09 2000-06-10 Государственное унитарное предприятие Центральный научно-исследовательский и проектный институт лесохимической промышленности Способ получения диацетата бетулинола
US6392070B1 (en) * 1999-08-10 2002-05-21 Regents Of The University Of Minnesota Birch bark processing and the isolation of natural products from birch bark

Also Published As

Publication number Publication date
WO2008086759A2 (fr) 2008-07-24
EP2125860A2 (fr) 2009-12-02
CZ200736A3 (cs) 2008-10-29
WO2008086759A3 (fr) 2009-02-26
EP2125860B1 (fr) 2012-12-19
US8093413B2 (en) 2012-01-10
CZ301038B6 (cs) 2009-10-21
US20090318719A1 (en) 2009-12-24
CA2673226C (fr) 2013-01-08

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Effective date: 20210111